Reenforced plastic structure



"March 22, 1932. E. 1.. BENEDICT 1,850,092

REENFORCED PLASTIC STRUCTURE 7 Filed June 30, 1928 INVENTOR dwwimmfPatented Mar. 22, 1932 EDWARD L. rnnnniomi or rrr'rsnunen, PENNSYLVANIA,Assreixr'onfro izti' rsje i'nq'n STEEL COMPANY, F*],ITTSBURGH1,PENNSYLVKNIAQ A ccnromlrron OFPENn SYLV'ANIA Applicationfiled June 30,

My invention relatesfto reenforc'ed struc tures of concrete, plaster,and the like, such as walls, partitions, slabs, etc.

One object of my invention isto provide a structure of concrete,plaster'for the. like,

wherein reenforcement 1 iseffectively embedded and wherein nospecial-ortemporary forms are required in the making of the body.

Still another object of my invention is,

to simplify and improve generally bodies formed of plastic material andthe method of making the same.

One manner in whichmy invention may be practiced is shown" in. theaccompanying drawings, wherein Figure 1 is a fragmentary 'frontelevational view-of a wall or slab constructed according to myinvention; Fig. 2 is an edge elevational view'of the-structure of Fig.1, at one stagein the process of making the same, and Fig, 3 is a viewsimilar to Fig. 2, but showing the process of manufacture continued tothe stage at Whicha slab or block is formed.

' 'In practicing my invent-ion according to the manner shown in thedrawings,I provide main reenforcing members consisting of bars or'wires4 and 5 that may be welded orother- V wise suitably connected attheir-points of intersection to forma mesh-like body. 1A back-i. ingsheet 60f wire cloth or the like isattached to the mesh formedby thebars 4and5, by means of thread-like Wires ,7 which are dis posed mainlyto the rear of the sheet 6,. as shownjmore clearly'in.Fig;2,; and at.intervals have-bends 8lformed therein-that extendto the front of thesheet 6 and around certain of thestrand wires orrods 4, somewhat after 7the manner shown in my Patent No. 1,597,507,

I may be applied to the front ofthe'sheet by issued August 24,1926. V

means of a trowel, a cementgun, or "in any other suitable manner. Ifthemesh structure be placed against studding,f and it is "desired to faceonly theoutersidgas infthecase of REENroRcEn i walls or'partitionsp the--completed structurewill have, when viewed 1 in fsectiomithe Papspearance showir 2,5the; plaster facing 9 bei ngof courseappliedteenydesiredthick ness, and completely surrounding the barsA and 5. It.will also be seen that an interlock}: ing effect tan be ha 'dbetwen the{plaster and the wire: :clpth "or. 'backing' sheefi 6,:by reason Q ofthe}. fact; that small, portions 16f the plaster may be forced throughsuch sheet, as indicat-V ed at 10. The wire cloth therefore not'onlyserves as a backing or form sheet, but-also assists in reenforcingandpermanentlysupporting the, plaster body since the openings-,1 throughthe backing sheet are so close together that the portions of plasterwhich are forced therethrough will unite at the rear side ofthe, sheetto effect substantially complete imbedment thereof as shown in Fig. 2,where the protrusions 10 are shown as united together fora distancesubstantially equal to the thickness of the thread Wire 7. The por-ztions 10 of the plaster will of course be come pressed when being forcedthrough the backing sheet and relief of such pressure at the rear sideof the backing-sheet will effect the slight expansion thereof, necessaryto cause them to unite attherearsides of the wires forming the backingsheet 6.

If it is desired to form a slab or to finish both'sides of the structureby a plaster facing,

I apply a facing 11 (Fig. 3) to the rear side of the structure of Fig.,2,to any desired depth. 2

6 need not be of wire cloth but may be of vari- An effectiveinterlocking of the rear facing 11 ous other material such as fiber,paper, orthe like, .having perforations through which y plaster may beforced when facing one side of the sheet. It will also be understoodthat various forms of reenforcementother than the Y bars 4 and 5 may beutilized.

When thebacking sheet 6 is supported in spaced relation to the mesh bars45,, as; shown in the drawings, the said bars. are

thereby permittedto be completely surround fed by the main bodyYofIplastic materialjso that they are completely imbedded and moreefiectively reenforce the body than if the backing sheet were disposeddirectly against the bars.

While I hereinafter claim'the structure as a plaster body, it will beunderstood that the term plaster is used in abroad sense, to includeconcrete, Various stucco materials, etc.

V I claim as my invention 7 v A plaster body composed of a reenforcingmesh, a loosely-woven wire cloth backing sheet disposed rearwardly ofthe mesh, tie

members supporting the cloth in completely spaced relation to the mesh,and plaster mate rial completely imbedding the mesh and havingprotrusions extending through the wire clothand partially imbedding thesame, the strands of the cloth being spaced apart such distance as topermit the said protruding portilonfi of the material to'be forcedthrough the c ot In testimony whereof I,the said EDWARD L. BENEDICT,have hereunto set my hand. EDWARD L. BENEDICT.

